| PartNumber | K51S50A | K51S30A | K51S25A |
| Description | AC Power Plugs & Receptacles Pin&Sleeve Connec,20A,277/480V | AC Power Plugs & Receptacles Pin&Sleeve Connec, 20A, 400VAC | AC Power Plugs & Receptacles Pin&Sleeve Connec,20A,120/208V |
| Manufacturer | Altech | Altech | Altech |
| Product Category | AC Power Plugs & Receptacles | AC Power Plugs & Receptacles | AC Power Plugs & Receptacles |
| Current Rating | 20 A | 20 A | 20 A |
| Voltage Rating | 277 V, 480 V | 400 V | 120 V, 208 V |
| Color | Red | Red | Blue |
| Number of Ports | 4 | 4 | 4 |
| Brand | Altech | Altech | Altech |
| Product Type | AC Power Plugs & Receptacles | AC Power Plugs & Receptacles | AC Power Plugs & Receptacles |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Power Connectors | Power Connectors | Power Connectors |